Fix next-to-last vs. last context GC race, plus ClaimScope vs. js_DestroyContext race; removed js_ForceGC from the FRIEND JS API (133773, sr=jband&shaver, a=asa).

git-svn-id: svn://10.0.0.236/trunk@117899 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/modules/xml/js/test/js.c

@@ -252,7 +252,7 @@ GC(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
 	js_DumpGCHeap = stdout;
     }
 #endif
-    js_ForceGC(cx);
+    JS_GC(cx);
 #ifdef GC_MARK_DEBUG
     if (js_DumpGCHeap != stdout)
     	fclose(js_DumpGCHeap);